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Keywords: Information System Security Engineer, Location: Washington DC

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Endpoint Security as a Service (ESS) Engineer

Description Leidos is seeking a skilled and driven Endpoint Security as a Service (ESS) Engineer and Systems... Administrator to join our team at the Washington Navy Yard — where innovation meets mission. What You’ll Do As an ESS Engineer...

Company: Leidos
Location: Washington DC
Posted Date: 25 Dec 2025
Salary: $92300 - 166850 per year

Endpoint Security as a Service (ESS) Engineer

Description Leidos is seeking a skilled and driven Endpoint Security as a Service (ESS) Engineer and Systems... Administrator to join our team at the Washington Navy Yard — where innovation meets mission. What You’ll Do As an ESS Engineer...

Company: Leidos
Location: Washington DC
Posted Date: 25 Dec 2025
Salary: $92300 - 166850 per year

Endpoint Security as a Service (ESS) Engineer

Description Leidos is seeking a skilled and driven Endpoint Security as a Service (ESS) Engineer and Systems... Administrator to join our team at the Washington Navy Yard — where innovation meets mission. What You’ll Do As an ESS Engineer...

Company: Leidos
Location: Washington DC
Posted Date: 25 Dec 2025
Salary: $92300 - 166850 per year

DoW GCP Information Systems Security Engineer (ISSE)

of cyber for 25 years! We have an immediate opportunity for a DoW Cloud (GCP) Information Systems Security Engineer (ISSE...) to support security engineering execution for a mission-critical, cloud-hosted defense system. This is a high-visibility...

Company: TDI Security
Location: Washington DC
Posted Date: 18 Jan 2026

DoW GCP Information Systems Security Engineer (ISSE)

of cyber for 25 years! We have an immediate opportunity for a DoW Cloud (GCP) Information Systems Security Engineer (ISSE...) to support security engineering execution for a mission-critical, cloud-hosted defense system. This is a high-visibility...

Posted Date: 18 Jan 2026

Senior Information System Security Engineer

a motivated, career and customer-oriented Senior Information System Security Engineer (ISSE) to join our team in Washington, D.C...- Information System Security Engineering Professional (ISSEP), or CISSP- Information System Security Architecture Professional...

Company: ManTech
Location: Washington DC
Posted Date: 16 Jan 2026

Information System Security Engineer SME

Job Description: ECS is seeking an Information System Security Engineer SME to work in our Washington, DC office.... Please Note: This position is contingent upon contract award. ECS is seeking an experienced Information System Security Engineer...

Company: ECS
Location: Washington DC
Posted Date: 11 Jan 2026
Salary: $175000 - 190000 per year

Information Systems Security Engineer w/TS/SCI CI Poly

) and in-depth knowledge of IC ITE services. RESPONSIBILITIES The Information Systems Security Engineer is expected to be able... of an Information System including, but not limited to, accreditation status, emerging threats, current security posture, ongoing...

Company: TekSynap
Location: Washington DC
Posted Date: 28 Dec 2025

Information System Security Engineer (ISSE) - Senior

Responsibilities: Services to support Information System Engineering performed by the Information System Security Engineer (ISSE... best practices in support of continuous process improvement. Overview We are seeking an Information System Security Engineer...

Company: TekSynap
Location: Washington DC
Posted Date: 25 Dec 2025

Senior System Security and Information Assurance Engineer

) platforms Support RMF accreditation activities by developing Low-Level Design (LLD) documents, System Security Plans (SSPs... engineering, or information assurance Meets Cyber Engineer - Senior labor category requirements, including independent execution...

Company: Barbaricum
Location: Washington DC
Posted Date: 21 Dec 2025

Information Systems Security Engineer (ISSE)

Kadiak, LLC, a Koniag Government Services company, is seeking an Information Systems Security Engineer (ISSE) with Top.... Guide system categorization efforts to ensure all information systems are appropriately classified based on mission/business...

Posted Date: 12 Dec 2025

Information System Security Engineer (ISSE) - Senior

System Engineering performed by the Information System Security Engineer (ISSE) includes the following activities: Lead... Results Oriented Teamwork Overview We are seeking an Information System Security Engineer (ISSE) to join our team...

Company: TekSynap
Location: Washington DC
Posted Date: 01 Dec 2025

Information Systems Security Engineer

management strategies are clearly defined and maintained. Guide system categorization efforts to ensure all information systems..., and documentation of security controls aligned with system categorizations, Bureau risk appetite, and compliance requirements. Oversee...

Location: Washington DC
Posted Date: 10 Jan 2026

Information System Security Engineer

Development, or Systems Engineering backgrounds to join our team as an Information System Security Officer...Information Systems Security Officer Washington, D.C. The Job Our client’s team members are subject matter...

Posted Date: 06 Jan 2026

Information Systems Security Engineer

) and System Security Engineering (SSE) efforts underneath Lead ISSO, and Information Systems Security Manager (ISSM). The key... Safety support and Financial Analysis support. SDG is hiring immediately for an Information Systems Security Officer...

Posted Date: 12 Dec 2025

DoW Cloud Information Systems Security Manager (ISSM)

authorization posture aligned with frequent system changes. Conduct security engineering analysis for cloud-native...) AI/ML and LLM components. Partner with system architects, developers, DevSecOps, and platform teams to integrate security...

Company: TDI Security
Location: Washington DC
Posted Date: 18 Jan 2026

DoW Cloud Information Systems Security Manager (ISSM)

authorization posture aligned with frequent system changes. Conduct security engineering analysis for cloud-native...) AI/ML and LLM components. Partner with system architects, developers, DevSecOps, and platform teams to integrate security...

Posted Date: 17 Jan 2026

Information System Security Officer (ISSO) - Hybrid

of contact (POC) to the information system owner (SO), ISSM, CISO on all matters (technical and otherwise) involving the security... System Security Officer (ISSO) to support our Federal team in Washington, D.C (hybrid). Location This position is part...

Company: Coalfire Federal
Location: Washington DC
Posted Date: 26 Dec 2025

Information System Security Officer (ISSO) - Hybrid

of contact (POC) to the information system owner (SO), ISSM, CISO on all matters (technical and otherwise) involving the security... System Security Officer (ISSO) to support our Federal team in Washington, D.C (hybrid). Location This position is part...

Company: Coalfire
Location: Washington DC
Posted Date: 25 Dec 2025

Information Assurance/Security Engineer

for an Information Assurance/Security Engineer to work with one of our federal clients. This person will be a Security Engineer... areas of expertise: Access Control, Network Security, or Cryptography Experience using CSAM or other RMF approved system...

Location: Washington DC
Posted Date: 03 Dec 2025
Salary: $55000 - 75000 per year